package com.example.community.controller;


import com.example.community.entity.Comment;
import com.example.community.entity.DiscussPost;
import com.example.community.entity.Page;
import com.example.community.entity.User;
import com.example.community.service.CommentService;
import com.example.community.service.DiscussPostService;
import com.example.community.service.UserService;
import com.example.community.util.CommunityConstant;
import com.example.community.util.CommunityUtil;
import com.example.community.util.HostHolder;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.AutoConfigurationPackage;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.ResponseBody;

import java.util.*;

@Controller
@RequestMapping("/discuss")
public class DiscussPostController implements CommunityConstant {

    @Autowired
    private DiscussPostService discussPostService;
    @Autowired
    private HostHolder hostHolder;
    @Autowired
    private UserService userService;
    @Autowired
    private CommentService commentService;



    @RequestMapping(path="/add",method = RequestMethod.POST)
    @ResponseBody
    public String addDiscussPost(String title,String content){
        User user= hostHolder.getUser();
        if (user==null){
            return CommunityUtil.getJSONString(403,"你还没有登录哦!");
        }

        DiscussPost post=new DiscussPost();
        post.setUserId(user.getId());
        post.setTitle(title);
        post.setContent(content);
        post.setCreateTime(new Date());
        discussPostService.addDiscussPost(post);
        //报错的情况,将来统一处理
        return CommunityUtil.getJSONString(0,"发布成功!");

    }
    @RequestMapping(path = "/detail/{discussPostId}",method = RequestMethod.GET)
    public  String getDiscussPost(@PathVariable("discussPostId")int discussPostId, Model model, Page page){
        //帖子
        DiscussPost post=discussPostService.findDiscussPostById(discussPostId);
        model.addAttribute("post",post);
        //作者
        User user=userService.findUserById(post.getUserId());
model.addAttribute("user",user);
//评论分页信息
        page.setLimit(5);
        page.setPath("/discuss/detail/"+discussPostId);
        page.setRows(post.getCommentCount());
        //评论:给帖子的评论
        //回复:给评论的评论
        //评论列表
        List<Comment> commentList=commentService.findCommentsByEntity(ENTITY_TYPE_POST,post.getId(),page.getOffset(),page.getLimit());

        //评论VO列表
        List<Map<String,Object>> commentVoList=new ArrayList<>();
        if (commentList!=null){
            for (Comment comment:commentList){
                //评论VO
                Map<String,Object> commentVo=new HashMap<>();
                //评论
                commentVo.put("comment",comment);
                //作者
                commentVo.put("user",userService.findUserById(comment.getUserId()));

                //回复列表
                List<Comment> replyList=commentService.findCommentsByEntity(ENTITY_TYPE_COMMENT,comment.getId(),0,Integer.MAX_VALUE);

                //回复Vo列表
                List<Map<String,Object>> replyVoList=new ArrayList<>();
                if (replyVoList!=null){
                    for (Comment reply : replyList) {
                        Map<String, Object> replyVo = new HashMap<>();
                        //回复
                        replyVo.put("reply",reply);
                        //作者
                        replyVo.put("user",userService.findUserById(reply.getUserId()));
                        //回复目标
                        User target =reply.getTargetId()==0?null:userService.findUserById(reply.getTargetId());
                        replyVo.put("target",target);

                        replyVoList.add(replyVo);
                    }
                }

                commentVo.put("replys",replyVoList);
                //回复数量
                int replyCount=commentService.findCommentCount(ENTITY_TYPE_COMMENT,comment.getId());
                commentVo.put("replyCount",replyCount);
                commentVoList.add(commentVo);
            }
        }

        model.addAttribute("comments",commentVoList);
        return "/site/discuss-detail";


    }





}
